乙酸酐   、                                                                                      
5-hydroxycampsiside                                                                                                                                                                                              以
                                                                                         
吡啶                                                                                  为溶剂,
                                                                                                                                                    反应 48.0h,
                                                                                                                以0.039 g的产率得到(E)-3-Phenyl-acrylic acid (1S,4aR,6S,7R,7aS)-4-formyl-4a,7-dihydroxy-7-methyl-1-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-1,4a,5,6,7,7a-hexahydro-cyclopenta[c]pyran-6-yl ester